class Base{
int x;
public Base(int i){
x =i;
System.out.println("Base Base() method");
}
}
public class Abs extends Base{
int y;
public Abs (){
y = 1;
System.out.println("Abs Abs() method");
}
public static void main(String argv[]){
Abs a = new Abs();
}
}
这个具体是在哪出错了,没有构建无参函数吗?